src/solitaire/Waste.java

   1 package solitaire;
   2
   3 import java.util.LinkedList;
   4 import java.util.List;
   5 import java.util.stream.Collectors;
   6
   7 final class Waste {
   8     private final List<Card> cards;
   9
  10     Waste() {
  11         cards = new LinkedList<>();
  12     }
  13
  14     @Override
  15     public String toString() {
  16         if (isEmpty())
  17             return "{   }";
  18
  19         return cards.stream().map(String::valueOf).collect(Collectors.joining("|", "[", "]"));
  20     }
  21
  22     void add(Card card) {
  23         cards.add(card);
  24     }
  25
  26     Card draw() {
  27         return cards.removeLast();
  28     }
  29
  30     boolean isEmpty() {
  31         return cards.isEmpty();
  32     }
  33 }